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Outstanding Hardenability 4340 Forged Steel Supplier - China

price: check with company for price

Outstanding hardenability 4340 forged steel supplier 4340 steel is nickel-chromium-molybdenu m alloy steel.

It will get high strength after the heat treat.

And it has good toughness, fatigue resistance, impact toughness and etc.

Its equivalent grade is JIS SNCM439 and DIN 1.6563 - The properties and composition of 4340 steel round bar sheet plate as below.

It is an alloy structural grade which used by the SAE International(SAE), and it is chrome-nickel low alloy steel.

4340 steel round bar sheet plate will get high tensile strength, hardness and toughness after heat treatment.

It is used widely in the transmission components of heavy chemical machinery.

Different sections of each part of the casting which cause the temperature difference stress and phase transformation stress.

If you can’t get their laws and characteristics, you can’t take the right rational processes.

The consequence is that there is a risk of cracking the casting during the casting or heat treatment.

So the control of chemical composition and the choice of the heat treatment process for the casting are really important.

1.6511 Steel Characteristics

1 - It has great atmospheric corrosion resistance, fatigue resistance and strength.

2 - Stay excellent toughness, wear resistance and fatigue strength after heat treated.

3 - It is alloy steel with low carbon and high nickel.

About the coating and softening for leather knife sheath, it is a great choice.

4.4340 alloy steel bar is used widely in the aerospace industry because of great strength.

4340 Steel Round Bar Plate Sheet Supply Range

Round Bar Specification: diameter: 10mm – 1000mm; length: 2000mm-5000mm

Surface: Black Surface/Bright Surface/ Grinded/Peeled/Turned Sheet/Plate/Slab Specification: thickness: 50-120mm; width: 2000mm-2300mm; length: 3000mm-5800mm

Surface: Black Surface/Bright Surface/ Grinded/Peeled/Turned Dongguan Songshun Mould Steel Co., Ltd. is an Indusrtial and trading company with 2 warehouses that manufactures good & high quality kinds of steels starting from 2012 - The company provides the customized products and OEM service.

What´s more, we keep the mass stock of over 20000 tons.

In those years, we offer a wide range of steels to our customers from all over the world.

And we enjoy high praise among them.

Feel free to contact us, we are glad to serve for you.

Songshun Always Open the Door for You.

MiKi Zhuo

ADD: No.

4 Dongda Street, Shatou, Changan Town, Dongguan City, Guangdong Province, P.R.C China

songshunsteel41404340


Company Contact:


  • Phone: 076985475596

  • Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , Guangdong , China

  • Email: Email


Published date: July 7, 2022

  • Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.

    After more than 10 years development and growing, Songshun Steel becomes one comprehensive special steel factory, stockist and exporter.

    Combined with experienced exporting team and professional technical knowledge, Songshun Steel offers both technical advice and support, as well as global professional steel solution and service.

    Due to satisfactory reliable quality and professional service, Songshun expands our market worldwide, such as Colombia, Chile, Spain, Turkey, Iran, Vietnam, Malaysia ,UAE, Canada, Brazil, Mexico and so on.

    Songshun specialized in Special Steel for almost 20 years.

    We can supply mold steel, high speed steel, alloy steel, free cutting steel and etc.

    Welcome your contact 24 hours a day!!!

    Skype/Whatsapp/We chat: +86-18269260283

    Songshun Tiktok: mikizhuo

    Songshun Facebook: Songshun Steel

    Songshun YouTube: MiKi Zhuo

    songshunmoldsteel414 04340

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